re PR libmudflap/22064 (libmudflap contains possible alias violations)
[gcc.git] / libmudflap / ChangeLog
1 2005-06-14 Frank Ch. Eigler <fche@redhat.com>
2
3 PR mudflap/22064
4 * mf-impl.h (mudflap_mode, violation_mode): Make these ordinary
5 unsigned vars with #defines instead of enums.
6
7 2005-05-09 Mike Stump <mrs@apple.com>
8
9 * configure: Regenerate.
10
11 2005-04-12 Mike Stump <mrs@apple.com>
12
13 * configure: Regenerate.
14
15 2005-04-12 Frank Ch. Eigler <fche@redhat.com>
16
17 PR mudflap/19266
18 * testsuite/libmudflap.c++/c++frags.exp: Also test -O permutation.
19 * testsuite/libmudflap.c++/pass57-frag.cxx: New test.
20
21 2005-04-04 Alan Modra <amodra@bigpond.net.au>
22
23 * mf-runtime.c (__mfu_unregister): Warning fix for char unsigned.
24
25 2005-03-31 Mike Stump <mrs@apple.com>
26
27 * mf-runtime.h: Add libmudflap copyright clause.
28
29 2005-03-21 Mike Stump <mrs@apple.com>
30
31 * mf-heuristics.c: Fix whitespace at end of line.
32 * mf-hooks1.c: Likewise.
33 * mf-hooks2.c: Likewise.
34 * mf-hooks3.c: Likewise.
35 * mf-impl.h: Likewise.
36 * mf-runtime.c: Likewise.
37 * mf-runtime.h: Likewise.
38
39 2005-03-21 Zack Weinberg <zack@codesourcery.com>
40
41 * configure.ac: Do not invoke TL_AC_GCC_VERSION.
42 In all substitutions, expand gcc_version in Makefile.
43 * aclocal.m4, configure: Regenerate.
44 * Makefile.am: Set gcc_version.
45 * Makefile.in, testsuite/Makefile.in: Regenerate.
46
47 2005-03-17 Frank Ch. Eigler <fche@redhat.com>
48
49 * mf-runtime.c (__mfu_check): Respect ignore_reads configuration.
50 * testsuite/libmudflap.c/{pass56,fail39}-frag.c: New tests.
51
52 2005-02-13 Frank Ch. Eigler <fche@redhat.com>
53
54 PR mudflap/19319
55 * testsuite/libmudflap.c++/pass55-frag.c: New test.
56
57 2005-01-05 Richard Henderson <rth@redhat.com>
58
59 * testsuite/libmudflap.c/pass32-frag.c: Fix typo.
60
61 2005-01-02 Greg McGary <greg@mcgary.org>
62
63 * mf-impl.h (uintptr_t): Get typedef via stdint.h or define explicitly.
64 * mf-runtime.h: New file, replaces mf-runtime.h.in.
65 * configure.ac (AC_CONFIG_FILES): mf-runtime.h is no longer generated.
66 * Makefile.in: Ditto.
67 * testsuite/lib/libmudflap.exp: Add -I${srcdir}/.. to get mf-runtime.h
68 * testsuite/libmudflap.c/pass32-frag.c: s/uintptr_t/__mf_uintptr_t/
69 * testsuite/libmudflap.c/fail36-frag.c: New test.
70 * testsuite/libmudflap.c/fail37-frag.c: New test.
71 * testsuite/libmudflap.c/fail38-frag.c: New test.
72
73 2004-12-08 Kelley Cook <kcook@gcc.gnu.org>
74
75 * Makefile.am: Add ../config to ACLOCAL_AMFLAGS.
76 * aclocal.m4, Makefile.in, testsuite/Makefile.in: Regenerate.
77
78 2004-12-02 Richard Sandiford <rsandifo@redhat.com>
79
80 * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.
81 * aclocal.m4: Include ../config/gcc-version.m4.
82 * configure, Makefile.in, testsuite/Makefile.in: Regenerate.
83
84 2004-11-29 Kelley Cook <kcook@gcc.gnu.org>
85
86 * Makefile.am: Define ACLOCAL_AMFLAGS.
87 * acinclude.m4: Remove.
88 * stamp-h.in: Remove superfluous stamp file.
89 * aclocal.m4, configure, Makefile.in: Regenerate.
90 * testsuite/Makefile.in: Likewise.
91
92 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
93
94 * Makefile.am: Revert previous.
95 * acinclude.m4: Restore.
96 * aclocal.m4, configure, Makefile.in: Regenerate.
97 * testsuite/Makefile.in: Likewise.
98
99 2004-11-24 Kelley Cook <kcook@gcc.gnu.org>
100
101 * Makefile.am: Define ACLOCAL_AMFLAGS.
102 * acinclude.m4: Remove.
103 * aclocal.m4, configure, Makefile.in: Regenerate.
104 * testsuite/Makefile.in: Likewise.
105
106 2004-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
107
108 * testsuite/lib/libmudflap.exp: Use new procs in target-libpath.exp.
109
110 2004-11-23 Kelley Cook <kcook@gcc.gnu.org>
111
112 * Makefile.in, configure, aclocal.m4: Regenerate with automake 1.9.3.
113 * testsuite/Makefile.in: Likewise.
114
115 2004-11-01 Andreas Schwab <schwab@suse.de>
116
117 * configure.ac: (target_alias): Default to $host_alias, not
118 $target.
119 * configure: Regenerated.
120
121 2004-10-28 Frank Ch. Eigler <fche@redhat.com>
122
123 * testsuite/libmudflap.c/fail35-,pass53-,pass54-frag.c: New tests.
124 * testsuite/libmudflap.c/pass35-frag.c: Correct embedded warning
125 message.
126
127 2004-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
128
129 PR other/18138
130 * testsuite/lib/libmudflap.exp: Accept more than one multilib libgcc.
131
132 2004-10-12 Frank Ch. Eigler <fche@redhat.com>
133
134 * configure.ac: Check for more headers, functions.
135 * mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
136 tracking overridden FILE buffers.
137 (fopen, setvbuf): New/revised hook functions for buffer overriding.
138 (setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
139 (fflush): Accept given NULL stream (means "all streams").
140 * mf-runtime.h.in:
141 * mf-runtime.c (__mfu_check): Accept accesses that span adjacent
142 HEAP/GUESS objects.
143 (LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
144 (__mf_adapt_cache): Use them all.
145 * testsuite/libmudflap.c/pass35-frag.c: Update warning message.
146 * testsuite/libmudflap.c++/ctors.exp: Ditto.
147 * testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
148 * configure, config.h.in: Regenerated.
149
150 2004-10-05 Frank Ch. Eigler <fche@redhat.com>
151
152 * configure.ac: Checking for sys/socket.h once is enough.
153 * configure: Regenerated.
154
155 2004-10-04 Frank Ch. Eigler <fche@redhat.com>
156
157 * configure.ac: Look for more headers & functions.
158 * mf-hooks2.c (getmntent, inet_ntoa, getproto*): New wrapper functions.
159 * mf-runtime.h.in: Add new "#pragma redefine_extname"s for them.
160 * mf-runtime.c (options): Clean up integer signedness warnings.
161 (main): Add a declaration to fix a warning.
162 * mf-hooks3.c (pthread_exit): Add not-reached exit() to wrapper.
163 * configure, config.h.in: Regenerated.
164
165 2004-10-02 Frank Ch. Eigler <fche@redhat.com>
166
167 * testsuite/libmudflap.c/pass50-frag.c, fail33-frag.c, fail34-frag.c:
168 New tests for proper base/limit checking for aggregates.
169
170 2004-09-15 Joseph S. Myers <jsm@polyomino.org.uk>
171
172 * testsuite/libmudflap.c/pass35-frag.c: Update expected message.
173
174 2004-09-07 Frank Ch. Eigler <fche@redhat.com>
175
176 * configure.ac: Look for pwd.h, grp.h, netdb.h headers and functions.
177 * mf-hooks2.c (strerror): Unregister previous string returned by
178 previous strerror.
179 (getlogin,cuserid,getpwnam,getpwuid,getgrnam,getgrgid): New wrappers.
180 (getservent,getservbyname,getservbyport,gai_strerror): Ditto.
181 * mf-runtime.h.in: Add redefine_extname pragmas for them all.
182 * mf-runtime.c (__mf_describe_object): Clarify object life status.
183 * testsuite/libmudflap.c/pass48-frag.c, pass49-frag.c, fail32-frag.c:
184 New tests.
185 * configure, config.h.in: Regenerated.
186
187 2004-08-03 Dale Johannesen <dalej@apple.com>
188
189 * mf-runtime.c: Conditionalize POSIX_SOURCE for Darwin.
190
191 2004-08-03 Frank Ch. Eigler <fche@redhat.com>
192
193 * mf-runtime.c (compare_uintptr_t): Remove function. Inline
194 simplified contents in all former callers.
195
196 2004-07-27 Ulrich Weigand <weigand@informatik.uni-erlangen.de>
197
198 * mf-runtime.c (__mf_fini): Set mudflap_mode to mode_nop in
199 the statically linked case.
200
201 2004-07-27 Frank Ch. Eigler <fche@redhat.com>
202
203 * splay-tree.[ch]: Remove. Merge contents into ...
204 * mf-runtime.c: ... here, renaming symbols and making all functions
205 static. Remove unused min/max functions.
206 * Makefile.am: Forget about splay-tree.[ch].
207 * Makefile.in, testsuite/Makefile.in: Regenerated.
208
209 2004-07-21 Frank Ch. Eigler <fche@redhat.com>
210
211 * mf-runtime.c (__mfu_check): Remove mistaken mode-nop handling.
212 (__mfu_usage): Include (C) 2004.
213 * mf-hooks3.c (__mf_find_threadinfo): Don't call tracing functions
214 here. Include a comment explaining why.
215
216 2004-07-20 Frank Ch. Eigler <fche@redhat.com>
217
218 * mf-impl.h (__mf_options): Add ignore_reads and timestamps fields.
219 * mf-runtime.c (options): Give them a name.
220 (__mf_set_default_options): Set them.
221 (__mf_insert_new_object, __mfu_unregister): Optionalize timestamps.
222 (__mf_violation): Warning cleanup.
223 * mf-impl.h (MF_VALIDATE_EXTENT): Support ignore_reads option.
224 * splay-tree.c (splay_tree_delete_helper): Remove obsolete decl.
225
226 2004-07-15 Frank Ch. Eigler <fche@redhat.com>
227
228 g++/15861
229 * mf-runtime.c (__mf_init): Make it non-static. Tolerate
230 repeated invocation.
231
232 2004-07-09 Frank Ch. Eigler <fche@redhat.com>
233
234 Test case for g++/15861
235 * testsuite/libmudflap.c++/ctors-[12].cxx: New test case halves.
236 * testsuite/libmudflap.c++/ctors.exp: Driver.
237 * testsuite/libmudflap.c++/c++frags.exp: Elide redundant default.
238 Look only for *frag* test cases.
239
240 2004-07-08 Frank Ch. Eigler <fche@redhat.com>
241
242 ANSI C conversion, libmudflap specialization, recursion limiting.
243 * splay-tree.h (splay_tree_{de,}allocate_fn): Remove allocation_data
244 argument and indirection function pointers, update callers.
245 (splay_tree_s): Add statistics and recursion control fields
246 num_keys, max_depth, depth, rebalance_p.
247 * splay-tree.c (splay_tree_splay_helper): Track recursion depth.
248 Back out of search if it exceeds limit.
249 (splay_tree_splay): Manage recursion limiting with rebalancing as
250 needed.
251 (splay_tree_new): More initialization.
252 (splay_tree_rebalance): New function.
253 (splay_tree_foreach): Rewrite using nonrecursive logic.
254 (splay_tree_xmalloc_allocate, splay_tree_xmalloc_deallocate):
255 Remove. Point indirect calls to mf-runtime.c's routines.
256 (splay_tree_compare_ints, splay_tree_compare_pointers): Remove unused
257 functions.
258 (splay_tree_delete, splay_tree_delete_helper): Ditto.
259 * testsuite/heap-scalestress.c: New test based on one from
260 Eyal Lebedinsky <eyal@eyal.emu.id.au>:
261
262 2004-07-05 Matthias Klose <doko@debian.org>
263
264 * libtool-version: New.
265 * Makefile.am (libmudflap_la_LDFLAGS, libmudflapth_la_LDFLAGS):
266 Use -version-info for soname.
267 * Makefile.in: Regenerate.
268 * configure.ac: Remove libtool_VERSION macro
269 * configure: Regenerate
270
271 2004-07-05 Zack Weinberg <zack@codesourcery.com>
272
273 * mf-runtime.h.in: Wrap declarations of struct __mf_cache,
274 __mf_lookup_cache, __mf_lc_mask, or __mf_lc_shift in
275 #ifndef _MUDFLAP.
276
277 2004-06-29 Frank Ch. Eigler <fche@redhat.com>
278
279 Splay tree implementation fork.
280 * splay-tree.c, splay-tree.h: Copied & modified from libiberty.
281 Use hard-coded comparison function for uintptr_t. Remove key/value
282 deallocation logic. Cache last splayed key for consecutive lookups.
283 * Makefile.am, Makefile.in: Use them, don't link to them.
284 * mf-runtime.c (__mf_object_tree): Adapt to simpler splay_tree_new.
285 (__mf_find_objects2): Flip successor/predecessor search sequence.
286 * ansidecl.h, libiberty.h: Removed dummy files.
287
288 2004-06-29 Nick Clifton <nickc@redhat.com>
289
290 * configure.ac (AC_CHECK_HEADERS): Add dirent.h
291 * configure: Regenerate.
292 * mf-hooks2.c: Surround uses of dirent.h with #ifdef
293 HAVE_DIRENT_H.
294 Remove spurious inclusion of <strings.h>.
295
296 2004-06-29 Nick Clifton <nickc@redhat.com>
297
298 * mf-runtime.c (pthread_join): Only apply the weak pragma if the
299 function actually exists.
300
301 2004-06-25 Frank Ch. Eigler <fche@redhat.com>
302
303 * ansidecl.h, libiberty.h: New dummy files for building splay-tree.
304 * config.h.in: Regenerated.
305
306 2004-06-24 Frank Ch. Eigler <fche@redhat.com>
307
308 Adopt splay trees for object database.
309 * Makefile.am: Copy splay-tree.* from libiberty.
310 * Makefile.in, testsuite/Makefile.in: Regenerated.
311 * mf-runtime.h.in (__mf_unregister): Add third parameter (type).
312 * mf-hooks[123].c (*): Add new third parameter to mf_unregister.
313 * mf-impl.h (BEGIN_PROTECT): Remove some trace text.
314 * mf-runtime.c: Rewrite code dealing with object database to use
315 libiberty splay trees. Remove tree liveness aging option.
316 * testsuite/libmudflap.c/fail18-frag.c: Add volatile flag.
317
318 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
319
320 * configure.ac: New name of configure.in. Update
321 AC_INIT, AC_CONFIG_SRCDIR, AC_CONFIG_HEADERS, AC_CONFIG_FILES,
322 AC_OUTPUT, AM_INIT_AUTOMAKE to the preferred style for
323 Autoconf 2.5x and Automake 1.7 or later.
324 * configure.in: Remove.
325 * configure: Regenerate.
326
327 * Makefile.am: Remove useless multilib rules.
328 * Makefile.in: Regenerate.
329
330 2004-06-15 Paolo Bonzini <bonzini@gnu.org>
331
332 * .cvsignore: New file.
333
334 2004-06-10 Stephen Crowley <stephen.crowley@sbcglobal.net>
335
336 PR libmudflap/13505
337 * mf-hooks2.c (semctl): Add cygwin porting hack.
338
339 2004-06-09 Frank Ch. Eigler <fche@redhat.com>
340
341 ctype support.
342 * configure.in: Look for ctype header and glibc implementation.
343 * mf-hooks2.c (__ctype_{b,toupper,tolower}_loc): Sample ctype
344 array hooks for glibc 2.3.
345 * mf-runtime.h.in: Wrap them.
346 * mf-runtime.c (__mf_init): Leave marker regarding other ctype
347 implementations.
348 * testsuite/libmudflap.c/pass47-frag.c: New test.
349 * configure, config.h.in: Regenerated.
350
351 2004-06-04 Frank Ch. Eigler <fche@redhat.com>
352
353 Portability improvements, e.g., libmudflap/15293.
354 * configure.in: Look for glibc extension functions. Look for
355 support of -f{function,data}-sections. Look for more headers.
356 Create testsuite/mfconfig.exp. Correct more "test x.." thinkos.
357 * Makefile.am: Use $(SECTION_FLAGS). Collapse piecemeal-compiled
358 mf-hooks* into usual single object per source.
359 * mf-hooks*.c: Remove all #if WRAP_foo conditionals.
360 * mf-hooks2.c: #include a bunch more system headers. Define strnlen
361 if system doesn't provide one.
362 * mf-hooks3.c (struct pthread_info): Add stack_*_alloc fields.
363 (pthread_create): Use it to properly GC dead thread stacks.
364 * mf-runtime.c (__mf_violation): Correct snprintf type warning.
365 * testsuite/Makefile.am: Stop generating site.exp.
366 * testsuite/mfconfig.exp.in: New file.
367 * testsuite/config/default.exp: Load new mfconfig.exp.
368 * testsuite/lib/libmudflap.exp (libmudflap-init): Add extra libraries.
369 (prune_gcc_output): Add glibc static linking warnings.
370 * testsuite/libmudflap.*/*frags.exp: Enumerate needed -lmudflap* libs.
371 * testsuite/libmudflap.c/pass46-frag.c: Ditto.
372 * configure, Makefile, aclocal.m4, config.h.in, testsuite/Makefile.in:
373 Regenerated with autoconf 2.57 and automake 1.7.
374
375 2004-06-04 Per Bothner <per@bothner.com>
376
377 * configure.in (LIBMUDFLAPTH): Fix thinko.
378
379 * configure.in: Check for more headers.
380 * mf-hooks2.c: Conditionalize on HAVE_SYS_SOCKET_H etc.
381
382 * mf-runtime.c: In two places conditionalize on SIUSR1 rather than
383 HAVE_SIGNAL as mingw has signal.h but not SIUSR1.
384
385 2004-06-01 Andreas Jaeger <aj@suse.de>
386
387 * configure.in: Handle multilibs, support
388 --enable-version-specific-runtime-libs.
389 * Makefile.am (lib_LTLIBRARIES): Rename to ...
390 (toolexeclib_LTLIBRARIES): this for multilib support.
391 * Makefile.in: Regenerated.
392 * configure: Regenerated.
393 * aclocal.m4: Regenerated.
394 * config.h.in: Regenerated.
395 * testsuite/Makefile.in: Regenerated.
396
397 2004-06-01 Andreas Jaeger <aj@suse.de>
398
399 * testsuite/lib/libmudflap.exp (libmudflap-init): Handle
400 multilibs, using multilib directory instead of hardcoded path.
401 Set LD_RUN_PATH.
402
403 2004-05-21 Frank Ch. Eigler <fche@redhat.com>
404
405 * Makefile.am (AM_MAKEFLAGS): Pass RUNTESTFLAGS.
406 * Makefile.in: Ditto.
407
408 2004-05-18 Kaz Kojima <kkojima@gcc.gnu.org>
409
410 * acinclude.m4 (lt_cv_deplibs_check_method): Use pass_all on sh*.
411 * aclocal.m4, configure: Rebuilt.
412
413 2004-05-17 Frank Ch. Eigler <fche@redhat.com>
414
415 * lib/libmudflap.exp (libmudflap-init): For C++ test cases only,
416 import some build settings from libstdc++-v3 testsuite_flags.
417 * .../cfrags.exp, .../c++frags.exp, .../cthfrags.exp: Corresponding
418 changes to pass test language.
419
420 * mf-runtime.c (__mfu_check): Poison the cache with antidote for
421 quicker mode-nop handling.
422
423 2004-03-25 Frank Ch. Eigler <fche@redhat.com>
424
425 * mf-impl.h: Added libgcc license header.
426
427 2004-03-20 Frank Ch. Eigler <fche@redhat.com>
428
429 * mf-hooks[123].c, mf-runtime.c, mf-heuristics.c:
430 Added libgcc license header.
431 * mf-hooks3.c (__mf_0fn_pthread_create): Correct arg constness.
432 (pthread_create): Simplify stack allocation syntax.
433
434 2004-03-08 Loren J. Rittle <ljrittle@acm.org>
435
436 * mf-hooks2.c: Support FreeBSD.
437 (WRAP_gets): Avoid gets().
438 * testsuite/libmudflap.c/pass-stratcliff.c: Do not
439 test unimplemented mem/str calls on FreeBSD.
440 * testsuite/libmudflap.c/pass21-frag.c: Do not include
441 <alloca.h> on FreeBSD.
442
443 2004-01-30 Frank Ch. Eigler <fche@redhat.com>
444
445 * testsuite/libmudflap.c/pass36-frag.c: Add missing free() call.
446 * testsuite/libmudflap.c/pass46-frag.c: New test for -fmudflapir.
447 * testsuite/libmudflap.cth/cthfrags.exp: Add -DSTATIC to compiler
448 flags for static linking permutation.
449 * testsuite/libmudflap.cth/pass40-frag.c: When -DSTATIC, avoid
450 some pthreads code that croaks on linux glibc tls.
451
452 2004-01-27 Frank Ch. Eigler <fche@redhat.com>
453
454 * testsuite/libmudflap.c/fail31-frag.c, pass45-frag.c: New tests.
455
456 2004-01-15 Frank Ch. Eigler <fche@redhat.com>
457
458 * testsuite/libmudflap.c/pass44-frag.c: New test.
459
460 2004-01-12 Frank Ch. Eigler <fche@redhat.com>
461
462 * testsuite/libmudflap.c/fail{28,29,30}-frag.c: New tests.
463
464 2004-01-08 Frank Ch. Eigler <fche@redhat.com>
465
466 * testsuite/libmudflap.c/pass43-frag.c: Added missing program rc.
467
468 2003-12-11 Frank Ch. Eigler <fche@redhat.com>
469
470 * testsuite/libmudflap.c/pass42-frag.c, pass43-frag.c: New tests.
471
472 2003-12-08 Andrew Pinski <pinskia@physics.uc.edu>
473
474 PR libmudflap/12670
475 * configure.in: Add check for see if
476 socklen_t typedef is in sys/socket.h.
477 * mf-hooks1.c: Add define if socklen_t
478 is not typedef.
479 * mf-hooks2.c: Likewise.
480 * mf-hooks3.c: Likewise.
481 * config.h.in: Regen.
482 * configure: Regen.
483
484 2003-12-08 Frank Ch. Eigler <fche@redhat.com>
485
486 * mf-runtime.c (__mf_watch_or_not): Tweak tracing message.
487 * testsuite/libmudflap.c/fail21-frag.c: Defeat aliasing
488 optimizations.
489 * testsuite/libmudflap.c/pass25-frag.c: Ditto.
490 * testsuite/libmudflap.c/pass26-frag.c: Tolerate non-overlapping
491 (unoptimized) allocation of stack space.
492
493 2003-12-07 Richard Henderson <rth@redhat.com>
494
495 * testsuite/libmudflap.c/fail23-frag.c (main): Adjust addend to 11.
496 * testsuite/libmudflap.c/fail27-frag.c (foo): Mark noinline.
497
498 2003-12-06 Andrew Pinski <apinski@apple.com>
499
500 partial PR libmudflap/12670
501 * mf-hooks1.c: Respect Darwin checks. Conditionalize POSIX_SOURCE.
502 * mf-hooks2.c: Likewise.
503 * mf-hooks3.c: Likewise.
504
505 2003-11-19 Frank Ch. Eigler <fche@redhat.com>
506
507 libstdc++/11696
508 * mf-runtime.h.in: Switch to #pragma redefine_extname for
509 symbols interposed at compile time.
510 * testsuite/libmudflap.c++/pass41-frag.cxx: New test.
511
512 libmudflap/12939
513 * mf-hooks2.c (semctl): Tolerate FreeBSD.
514
515 * configure.in: Reorganize check for <pthread.h>.
516 * configure: Regenerated.
517
518 2003-11-04 David Edelsohn <edelsohn@gnu.org>
519
520 * mf-runtime.c (_ALL_SOURCE): Define for AIX.
521 (_LARGE_FILE_API): Define for AIX.
522 * mf-hooks[123]: Same.
523 (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
524
525 2003-10-21 David Edelsohn <edelsohn@gnu.org>
526
527 * mf-runtime.c (_XOPEN_SOURCE_EXTENDED): Define to 1 for AIX.
528
529 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
530
531 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
532
533 * configure.in: Update check for union semun.
534
535 2003-07-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
536
537 PR other/11673
538 * mf-hooks2.c [WRAP_semctl]: Fix check for HAVE_UNION_SEMUN.
539
540 2003-07-29 Frank Ch. Eigler <fche@redhat.com>
541
542 PR other/11673
543 * configure.in: Add checks for 64-bit LFS functions, struct semun
544 definition, for BSD compatibility.
545 * mf-hooks1.c: Respect BSD checks. Conditionalize POSIX_SOURCE.
546 * mf-hooks2.c: Ditto. Include <strings.h> for bcmp* decls.
547 * mf-hooks3.c: Ditto.
548 (pthread_create): Try MAP_ANON on platforms without the MAP_ANONYMOUS
549 mmap flag.
550 * configure, config.h.in: Regenerated.
551
552 2003-07-23 Frank Ch. Eigler <fche@redhat.com>
553
554 Multithreading fixes:
555 * mf-runtime.c (__mf_object): Store allocating/deallocating
556 thread id.
557 (options): Support new "-thread-stack" option.
558 Rename "-heur-argv-environ" option to "-heur-stdlib".
559 Disable "-lc-mask" and "-lc-shift" options.
560 (__mf_dynamic): Add function pointers for pthread_join/_exit.
561 (__assert_fail): New self-contained function for glibc.
562 * mf-hooks3.c: Essentially rewritten, particularly related to
563 use of __mf_pthread_info array.
564 (pthread_join, _exit): New hook functions.
565 * mf-impl.h (BEGIN_PROTECT): Handle starting_p case.
566 * testsuite/libmudflap.cth/pass40-frag.c: New test.
567
568 Warning cleanups:
569 * mf-heuristics.c: Add type casts for tracing, sub calls.
570 * mf-impl.h (BEGIN_PROTECT): Redefine to omit result type.
571 Update all callers to declare explicit result holder.
572 (END_PROTECT): Removed.
573 * testsuite/*/*frags.exp: Clean up default MUDFLAP_OPTIONS.
574
575 2003-07-15 Diego Novillo <dnovillo@redhat.com>
576
577 * testsuite/libmudflap.c/fail21-frag.c: Add volatile modifiers.
578 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
579 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
580
581 2003-07-04 Frank Ch. Eigler <fche@redhat.com>
582
583 * mf-hooks1.c, 2.c, 3.c: New file, splits up content from old ...
584 * mf-hooks: Removed.
585 * mf-impl.h (MF_VALIDATE_EXTENT, BEGIN_PROTECT, END_PROTECT):
586 Move these macros from old mf-hooks.c here.
587 * Makefile.am: Adapt to split-up hook sources for faster builds.
588 * Makefile.in: Regenerated.
589
590 * mf-heuristics.c: Remove #if-0 block.
591
592 * mf-impl.h (__mf_state): Reorganize declaration and implementation.
593 (__mf_starting_p): New state only for use while dlsym bootstrapping.
594 (CALL_REAL, __mf_init): Corresponding changes.
595 (TRACE, VERBOSE_TRACE): Include thread id and "mf:" prefix. Update
596 all callers to remove redundant "mf:" prefix.
597 * mf-runtime.h.in: #define a few reentrancy macros for libmudflapth.
598 * mf-hooks3.c: Rewrite chunks to support per-thread __mf_state value.
599 (__mf_pthread_info): Become a hash table.
600
601 * testsuite/lib/mfdg.exp: Support new "dg-timeout" and
602 "dg-repetitions" directives to control test case execution.
603 * testsuite/libmudflap.cth/pass37-frag.c: Add timeout and repeat
604 options.
605 * testsuite/libmudflap.cth/pass39-frag.c: Ditto for this new test.
606
607 2003-06-25 Frank Ch. Eigler <fche@redhat.com>
608
609 * mf-hooks.c (alloca): Separate into stub.
610 (__mf_wrap_alloca_indirect): New function. Use CALL_REAL
611 malloc/free for alloca blocks.
612 (pthread_create): Tolerate failing pthread_attr_get* calls.
613 * mf-runtime.c (__mf_fini): Call __mf_wrap_alloca_indirect.
614 * mf-impl.h (CALL_WRAP): Remove macro.
615 * testsuite/libmudflap.c/pass21-frag.c: Include <alloca.h>.
616 * testsuite/libmudflap.c/pass23-frag.c: Include more struct
617 padding for ia64 BIT_FIELD_REF constructs.
618
619 2003-06-19 Frank Ch. Eigler <fche@redhat.com>
620
621 * mf-hooks.c (struct pthread_info): Add "thread_errno" field.
622 (__mf_pthread_spawner, __mf_pthread_cleanup): Use it with GUESS
623 libmudflap object type.
624 * mf-runtime.c (__mfu_unregister): Correct cemetary logic to avoid
625 crashes on unregistering STATIC objects.
626
627 2003-06-17 Frank Ch. Eigler <fche@redhat.com>
628
629 Based on patch from Eyal Lebedinsky <eyal@eyal.emu.id.au>:
630 * mf-hooks.c (__mf_pthread_spawner): Register thread errno.
631 (time, strerror, fopen, fopen64, fclose, fread): New hooks.
632 (fwrite, fgetc, fgets, getc, gets, ungetc, fputc): New hooks.
633 (fputs, putc, puts, clearerr, feof, ferror, fileno): New hooks.
634 (printf, fprintf, sprintf, snprintf, vprintf, vfprintf): New hooks.
635 (vsprintf, vsnprintf, access, remove, fflush, fseek): New hooks.
636 (fseeko64, ftell, ftello64, rewind, fgetpos, fsetpos): New hooks.
637 (stat, stat64, fstat, lstat, mkfifo, setvbuf, setbuf): New hooks.
638 (setvbuf, opendir, closedir, readdir, recv, recvfrom): New hooks.
639 (recvmsg, send, sendto, sendmsg, setsockopt, getsockopt): New hooks.
640 (accept, bind, connect, gethostname, sethostname): New hooks.
641 (gethostbyname, wait, waitpid, popen, pclose, execve): New hooks.
642 (execv, execvp, system, dlopen, dlclose, dlerror, dlsym): New hooks.
643 (semop, semctl, shmctl, shmat, shmdt): New hooks.
644 * mf-runtime.h.in: Corresponding changes.
645 * mf-runtime.c (__mf_ini): Register stdio objects. Use STATIC type.
646 (opts) Rename heur_argv_environ to heur_std_data.
647 (__mf_wrap_main): Use STATIC type for argv/environ strings.
648 * Makefile.am: Corresponding changes.
649 * Makefile.in: Regenerated.
650
651 2003-06-11 Frank Ch. Eigler <fche@redhat.com>
652
653 * mf-heuristics.c (__mf_heuristic_check): Disable stack_bounds
654 heuristic for threaded case, and for non-x86-linux targets.
655 * mf-hooks.c (__mf_0fn_calloc): Provide a working dummy implementation
656 for use during pre-main() program startup.
657 (__mf_0fn_*): Make these functions non-static.
658 * mf-impl.h (DECLARE, CALL_REAL): Support calls to 0fn backup hook
659 functions.
660 * mf-runtime.c (__mf_state): Set initial state to "starting".
661 (__mf_resolve_single_dynamic): Tolerate repeated calls for same symbol.
662 (__wrap_main): New function to register argv[] and environ[] strings.
663 (__mf_ini): Call it.
664 (*): In all trace functions, use "%p" as formatter for uintptr_t.
665
666 * testsuite/libmudflap.c/pass38-frag.c: New test case.
667 * testsuite/libmudflap.cth/pass37-frag.c: Improved test.
668
669 * acinclude.m4: Add comments with aoliva's concerns about x86_64
670 pass_all.
671 * aclocal.m4, configure: Regenerated.
672
673 2003-06-04 Frank Ch. Eigler <fche@redhat.com>
674
675 * acinclude.m4: Correct typo in AC_MSG_CHECKING.
676 * aclocal.m4, configure: Regenerated.
677
678 2003-06-03 Frank Ch. Eigler <fche@redhat.com>
679
680 * acinclude.m4: Force "pass_all" deplibs_check_method for libtool
681 for x86_64 target. Disable caching for this value.
682 * aclocal.m4, configure: Regenerated.
683
684 2003-06-02 Frank Ch. Eigler <fche@redhat.com>
685
686 * testsuite/libmudflap.c/pass38-frag.c: Deleted. -fwritable-strings
687 is about to become deprecated, and its present handling bugs are
688 unworthy of fixing.
689
690 2003-05-30 Frank Ch. Eigler <fche@redhat.com>
691
692 * testsuite/libmudflap.c/pass38-frag.c: New test for
693 -fwritable-strings.
694
695 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
696
697 * mf-runtime.c (__mf_sigusr1_handle): Call unlocked variant of
698 __mf_report, asserting reentrant calling context.
699
700 2003-05-23 Frank Ch. Eigler <fche@redhat.com>
701
702 * mf-hooks.c (realloc): Correct reentrancy logic.
703 * testsuite/libmudflap.c/hook-allocstuff.c: New test case.
704
705 2003-05-20 Frank Ch. Eigler <fche@redhat.com>
706
707 * mf-hooks.c (LIBMUDFLAPTH_THREADS_MAX): New macro, replaces
708 PTHREAD_THREADS_MAX. Update users.
709 * mf-runtime.c (__mf_usage): Print [active] instead of [default]
710 for active options.
711 * testsuite/Makefile.am (all-local): Prime dejagnu site.exp file
712 with libmudflapth presence indicator.
713 * testsuite/Makefile.in: Regenerated.
714
715 2003-05-16 Frank Ch. Eigler <fche@redhat.com>
716
717 * Makefile.am (AM_CFLAGS): Remove "-ansi".
718 * configure.in: Remove silly no-pthreads => no-shared logic.
719 * Makefile.in, configure: Regenerated.
720 * mf-heuristics.c (__mf_heuristic_check): Remove reentrancy hacks.
721 * mf-hooks.c (BEGIN_PROTECT, END_PROTECT): Reorganize reentrancy
722 code. Count reentrancy events.
723 (all hook functions): Don't directly manipulate __mf_state variable.
724 Add TRACE calls to hook functions without them.
725 * mf-impl.h (LOCKTH): Try to count lock contention events.
726 (VERBOSE_TRACE, TRACE): Remove reentrancy hacks.
727 * mf-runtime.c (BEGIN_RECURSION_PROTECT, END_RECURSION_PROTECT):
728 Reorganize reentrancy code.
729 (external __mf_ entry points): Use RECURSION_PROTECT mechanism to
730 identify reentrancy with mutex holding times.
731 (internal __mfu_ entry points): Remove internal reentrancy code.
732 (__mf_init): Use ordinary locked calls.
733 (__mfu_report): Print the two new counts.
734 * testsuite/lib/libmudflap.exp: Filter out junk ld/pthreads messages.
735 * testsuite/libmudfap.cth/cthfrags.exp: New test driver.
736 * testsuite/libmudflap.cth/pass37-frag.c: New pthreads test.
737 * testsuite/libmudfap.cth/cfrags.exp: Adapt to new libmudflap
738 option defaults.
739
740 2003-05-09 Frank Ch. Eigler <fche@redhat.com>
741
742 * configure.in: Add pthread support, plus glibc and porting hacks.
743 * Makefile.am (LIBMUDFLAPTH): New conditional, to build -lmudflapth
744 from objects built into ./pth/.
745 * mf-runtime.c (__mfu_watch,register,...): Fork new unlocked
746 functions for internal entry points. Update callers to pick
747 locked vs. unlocked variants.
748 (__mf_resolve_single_dynamic): Extend to support symbol versioning
749 info coming in from a static data structure.
750 (*): Reorder miscellaneous declarations to group data vs functions.
751 (__mf_set_default_options): Simplify.
752 (__mf_usage): Mention threading status of host executable.
753 * mf-impl.h: Move max/min decls here. Reorganize __mf_dynamic
754 decls to match above.
755 (LOCKTH, UNLOCKTH): New macros for Big Libmudflap Lock management.
756 * mf-heuristics.c: Choose between locked/unlocked calls. Add
757 some lock/unlock markers. Remove some unused code.
758 * mf-hooks: Ditto.
759 (pthread_create): New hook function.
760 (__mf_pthread_cleanup, _spawner): New helper functions.
761 * configure. aclocal.m4, config.h.in, Makefile.in: Regenerated.
762
763 2003-05-02 Frank Ch. Eigler <fche@redhat.com>
764
765 * testsuite/libmudflap.c/fail27-frag.c: Add more volatile flags.
766
767 2002-04-28 Frank Ch. Eigler <fche@redhat.com>
768
769 * Makefile.am (HOOKOBJS): Add *time related hooks.
770 * configure.in: Look for pthreads.h header.
771 * mf-hooks.c (asctime, ctime, gmtime, localtime): New wrappers.
772 * mf-runtime.c: Begin sketching some pthreads support.
773 (__mf_usage): Check for -lpthread presence.
774 (__mf_unregister): Confirm matching unregistration base.
775 (__mf_find_objects_rec): Reduce unnecessary recursion.
776 * mf-runtime.h.in: Add "nothrow" attribute to functions. Add
777 #defines for new hook functions.
778 * mf-impl.h: Corresponding changes.
779 * config.h.in, configure, Makefile.in: Regenerated.
780
781 2002-04-27 Diego Novillo <dnovillo@redhat.com>
782
783 * testsuite/libmudflap.c/fail1-frag.c: Add volatile
784 modifiers to prevent being optimized away.
785 * testsuite/libmudflap.c/fail10-frag.c: Likewise.
786 * testsuite/libmudflap.c/fail13-frag.c: Likewise.
787 * testsuite/libmudflap.c/fail14-frag.c: Likewise.
788 * testsuite/libmudflap.c/fail15-frag.c: Likewise.
789 * testsuite/libmudflap.c/fail2-frag.c: Likewise.
790 * testsuite/libmudflap.c/fail20-frag.c: Likewise.
791 * testsuite/libmudflap.c/fail3-frag.c: Likewise.
792
793 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
794
795 * Makefile.am (libmudflap_la_LIBADD): Remove -ldl.
796 * configure.in: Look for uintptr_t and -ldl on target.
797 * mf-runtime.h.in: Adjust uintptr_t declaration logic.
798 * Makefile.in, aclocal.m4, configure, config.h.in: Regenerated.
799 * testsuite/Makefile.in: Regenerated.
800 * mf-runtime.c (__mf_sigusr1_respond): Tweak declaration and calls
801 for better C compliance.
802
803 2003-04-15 Frank Ch. Eigler <fche@redhat.com>
804
805 * mf-hooks.c (MF_VALIDATE_EXTENT): Remove unnecessary reentrancy
806 prevention code.
807 * mf-runtime.c (__mf_set_default_options): Turn off
808 check-initialization.
809 (__mf_describe_object): Shorten description.
810 * testsuite/libmudflap.c/fail25-frag.c: Turn on check-initialization.
811
812 2003-04-07 Frank Ch. Eigler <fche@redhat.com>
813
814 * mf-hooks.c (__mf_0fn_mmap): Correct return value, as per <rth>.
815
816 2003-04-02 Frank Ch. Eigler <fche@redhat.com>
817
818 * mf-hooks.c (BEGIN_PROTECT): Handle startup-time reentrant
819 calls specially.
820 (__mf_0fn_malloc ... _munmap): New dummy backup calls.
821 * mf-impl.h (CALL_BACKUP): New macros.
822 * mf-runtime.c (__mf_init): Tweak __mf_state during startup.
823
824 2003-03-31 Frank Ch. Eigler <fche@redhat.com>
825
826 * Makefile.am (AM_CFLAGS): Remove optimization flags.
827 (HOOKOBJS): Remove dlopen hook.
828 (libmudflap_la_LIBADD): Add -ldl.
829 * mf-hooks.c (dlopen): Remove hook.
830 * mf-impl.h (__mf_dynamic): Ditto.
831 * mf-runtime.c (__mf_resolve_dynamics): Ditto.
832 * Makefile.in: Regenerated.
833
834 2003-03-28 Frank Ch. Eigler <fche@redhat.com>
835
836 * configure.in: Check for target gettimeofday, signal, some headers.
837 * mf-impl.h (__mf_opts): Add new "sigusr1_report" field. Comment
838 out inop multi_threaded field.
839 * mf-runtime.c (options): Handle new "-sigusr1-report" option.
840 (__mf_set_options): Correct handling of "-help".
841 (__mf_sigusr1_respond): New function to manage SIGUSR1 response.
842 (__mf_check, __mf_register, __mf_unregister): Call it.
843 (__mf_insert_new_object, __mf_unregister): Respect HAVE_GETTIMEOFDAY.
844 (__mf_report_leaks): Make callable
845 (__mf_tree_analyze): Traverse in-order. Accumulate address bit
846 distribution statistics.
847 (__mf_adapt_cache): Rewrite shift guessing logic based on address
848 bit distributions.
849 * config.h.in, configure: Regenerated.
850 * testsuite/libmudflap.c/fail27-frag.c: New test.
851 * testsuite/libmudflap.c/pass36-frag.c: New test.
852
853 2003-03-11 Frank Ch. Eigler <fche@redhat.com>
854
855 * mf-runtime.h.in: Tweak.
856 * Makefile.am, configure.in: Tweak mf-runtime.h generation some more.
857 Don't use intermediate files nor AC_OUTPUT-time postprocessing.
858 * Makefile.in, testsuite/Makefile.in, configure: Regenerated.
859
860 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
861
862 * configure.in: Tweak generation of mf-runtime.h some more. It
863 needs to work from both config.status and configure.
864 * configure: Regenerated.
865
866 2003-03-10 Frank Ch. Eigler <fche@redhat.com>
867
868 * Makefile.am: Reorganize hook file building. Add auto dependencies.
869 * configure.in: Tweak generation of mf-runtime.h.
870 * mf-runtime.h.in: Add new __MF_TYPE_HEAP_I.
871 * mf-hooks.c (*): Adapt to initialized-heap object type.
872 * mf-impl.h: Tweak cemetary boundaries.
873 * mf-runtime.c (__mf_check): Adapt to new initialized-heap object
874 type.
875 (__mf_insert_new_object, __mf_register, __mf_unregister): Ditto.
876 (__mf_describe_object, __mf_report_leaks, __mf_violation): Ditto.
877 * testsuite/lib/libmudflap.exp (includes): Include build tree.
878 * testsuite/libmudflap.c/pass{26,5}: Further adapt to initialization
879 checking.
880 * testsuite/.../fail{25,26}-frag.c: New tests.
881 * testsuite/.../pass{32,33,34,35}-frag.c: New tests.
882 * Makefile.in, configure: Regenerated.
883
884 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
885
886 * mf-runtime.c (__mf_set_default_options): Turn on initialization
887 checking by default.
888 (__mf_insert_new_object): As a temporary hack, assume that new
889 objects registered on the stack start out initialized.
890 * testsuite/libmudflap.c/fail9,pass23,pass[6789]-*: Initialize
891 heap objects by hand.
892
893 2003-03-05 Frank Ch. Eigler <fche@redhat.com>
894
895 Switch to macro-style hooks for str*/mem*/b* functions.
896 * mf-runtime.h.in (__MF_TYPE_*): Moved some internal values out.
897 (mem*, str*, b*): Added macro-style hooks for _MUDFLAP case.
898 * mf-runtime.c: #include config.h to enable glibc backtraces again.
899 (__mf_set_default_options): Turn off heur_proc_map.
900 (*): Adapt to to macro-style hook functions.
901 (__mf_object_dead_head, __mf_object_cemetary): Correct bounds.
902 (__mf_check, __mf_register, __mf_unregister): Tweak tracing message.
903 (__mf_violation): Handle __MF_VIOL_WATCH.
904 * mf-impl.h (__MF_TYPE_*): Moved these internal values here.
905 (__mf_dynamic): Removed mem*/str*/b* functions.
906 (TRACE, VERBOSE_TRACE): Add reentrancy locking.
907 (WRAPPER2): New macro for macro-style hooks.
908 * mf-hooks.c: Convert mem*/str*/b* functions to simpler
909 macro-style hooks.
910 (BEGIN_PROTECT): Tweak tracing vs reentrancy-lock ordering.
911 * mf-heuristics.c: Adapt to macro-style hook functions.
912 Correct some comments.
913 * testsuite/lib/mfdg.exp (dg-test): Simplify result string for
914 output pattern tests.
915 * testsuite/libmudflap.c/fail[89]-frag.c: Elaborate output test.
916 * testsuite/libmudflap.c++/c++frags.exp: Enable non-static tests.
917
918 2003-02-28 Frank Ch. Eigler <fche@redhat.com>
919
920 * testsuite/libmudflap.c/fail23-frag.c, pass30-frag.c: New tests
921 for global array registration.
922 * testsuite/libmudflap.c++/fail24-frag.cxx, pass31-frag.cxx: Ditto.
923 * testsuite/libmudflap.c++/c++frags.exp: Tweak -static multilib hack.
924
925 2003-02-27 Frank Ch. Eigler <fche@redhat.com>
926
927 * Makefile.am: Add gross make bug workarounds. Tweaked
928 SUBDIRS and AM_CFLAGS.
929 * Makefile.in: Regenerated.
930
931 2003-02-26 Frank Ch. Eigler <fche@redhat.com>
932
933 Switch to dejagnu.
934 * configure.in (AC_PROG_CXX): Don't look for C++ any more.
935 * Makefile.am (TESTS): Remove simple automake testing.
936 * configure, Makefile.in: Regenerated.
937 (SUBDIRS): Include new testsuite/ directory.
938 * tests/*: Removed all files; moved bulk under:
939 * testsuite/*: New subdirectory tree.
940 * testsuite/libmudflap.c/cfrags.exp: New file, C test driver.
941 * testsuite/libmudflap.c++/c++frags.exp: New file, C++ test driver.
942 * testsuite/lib/libmudflap.exp: New file, derived from libstdc++.
943 * testsuite/lib/mfdg.exp: New file, derived from dejagnu.
944 * testsuite/config/default.exp: New file.
945 * testsuite/Makefile.am, Makefile.in: New files.
946
947 2003-01-29 Frank Ch. Eigler <fche@redhat.com>
948
949 * Makefile.am (TESTS_ENVIRONMENT): Remove redundant "-mode-check".
950 (TESTS): Add fail22 and pass29 tests.
951 * mf-runtime.h.in: Change API to take void*/size_t region parameters.
952 Add new access-type parameter for __mf_check. Move __MF_VIOL* out.
953 * mf-impl.h: Corresponding changes. Update CLAMP* macros for void*
954 values. Move __MF_VIOL* here.
955 * mf-runtime.c (*): Adapt to void*/size_t API in mf-runtime.h.
956 (check_initialization): New field in __mf_opts. Default off.
957 (read_count,write_count): New fields in __mf_object.
958 (__mf_check): Implement basic initialization checking.
959 (__mf_insert_new_object): Assume STATIC|GUESS regions are initialized.
960 (__mf_describe_object): Print new fields.
961 (__mf_violation): Identify check/read vs. check/write in messages.
962 * test/pass29-frag.c, test/fail22-frag.c: Basic tests for new
963 "-check-initialized" mudflap option.
964 * test/pass25-frag.c, test/fail21-frag.c: Adapt to API changes.
965 * mf-hooks.c (MF_VALIDATE_EXTENT): Add new access-type parameter.
966 Drop __FILE__/__LINE__ hack. Update callers.
967 (*): Adapt to new mf-runtime.h API.
968 * Makefile.in: regenerated.
969
970 2003-01-24 Frank Ch. Eigler <fche@redhat.com>
971
972 * configure.in: Build mf-runtime.h a more proper way.
973 * mf-hooks.c (strdup, strndup): Correct reentrancy logic.
974 * mf-runtime.c (verbose_violations): Turn on by default.
975 * mf-runtime.h.in: Remove some miscellaneous stuff ...
976 * mf-impl.h: ... and move it here.
977 * configure: Regenerated.
978
979 2003-01-22 Frank Ch. Eigler <fche@redhat.com>
980
981 * configure.in: Look for C++ compiler.
982 * test/*-frag.c, mf-driver.c: Reformatted with GNU indent and
983 fixed type warnings when built with C++.
984 * test/pass27-frag.cxx, pass28-frag.cxx: New C++ tests.
985 * Makefile.am (TESTS): Run them.
986 (*) Add new rules for building and running C++ tests.
987 (TESTFLAGS): Set new default to avoid libstdc++-v3 shlib issues.
988 * mf-runtime.h.in: Protect with extern "C".
989 * Makefile, configure: Regenerated.
990
991 2003-01-06 Frank Ch. Eigler <fche@redhat.com>
992
993 Portability improvements.
994 * configure.in: Look for glibc backtrace headers/functions.
995 * mf-hooks.c: Don't include <execinfo.h> any more.
996 * mf-runtime.c (__mf_set_options): Call more stdlib functions
997 via CALL_REAL.
998 (__mf_backtrace): Provide alternate baby implementation in
999 absence of glibc.
1000 * test/mf-driver.c: Portability tweaks.
1001 * acinclude.m4: New file, containing top level libtool.m4.
1002 * aclocal.m4, configure, Makefile.in, config.h.in: Regenerated.
1003
1004 2002-12-19 Frank Ch. Eigler <fche@redhat.com>
1005
1006 * mf-runtime.h.in (HAVE_UINTPTR_T): Define unconditionally.
1007
1008 2002-11-08 Frank Ch. Eigler <fche@redhat.com>
1009
1010 * mf-runtime.c (options): Add new "wipe-heap", "wipe-stack"
1011 options.
1012 (__mf_unregister): Implement stack/heap object wiping.
1013 (__mf_set_options): Renamed from __mf_process_opts.
1014 (__mf_uncache_object): Change arg type, correct callers.
1015 * mf-impl.h: Corresponding changes.
1016 * mf-hooks.c (realloc): Save/restore heap-wiping flag.
1017 * mf-runtime.h.in (__mf_set_options): Extend public API.
1018 * test/pass26-frag.c: New test for stack wiping.
1019 * Makefile.am (TESTS): Run it.
1020 * Makefile.in: Regenerated.
1021
1022 2002-11-07 Frank Ch. Eigler <fche@redhat.com>
1023
1024 * mf-runtime.h.in (__mf_watch, __mf_unwatch): Extend public API.
1025 * mf-runtime.c (__mf_object_t): Add watching_p field.
1026 (__mf_watch_or_not): New function to implement
1027 object watch flagging.
1028 (__mf_watch, __mf_unwatch): New wrappers for above.
1029 (__mf_check, __mf_describe_object): Handle objects with watching_p.
1030 (__mf_count_violation): Enlarge array.
1031 (__mf_uncache_object): Renamed from __mf_remove_old_object. Don't
1032 unlink object. Clear cache properly.
1033 (__mf_unregister): Unlink object explicitly before uncaching.
1034 * test/fail21-frag.c, pass25-frag.c: New tests.
1035 * Makefile.in, aclocal.m4: Regenerated.
1036
1037 2002-11-05 Frank Ch. Eigler <fche@redhat.com>
1038
1039 * test/fail20-frag.c: New test for NULL pointer dereferencing.
1040 * Makefile.am (TESTS): Add it.
1041 * test/pass-stratcliff.c: Add decls of stpcpy.
1042 * configure.in: Test for <stdint.h>. Generate mf-runtime.h in
1043 build tree from config.h and new file mf-runtime.h.in.
1044 * mf-runtime.h.in: Renamed from mf-runtime.h. Tweak uintptr_t decl.
1045 * Makefile.in, configure, config.h.in: Regenerated.
1046 * mf-hooks.c: Add #undef for wrapped glibc str*/mem* macros.
1047 * mf-runtime.c (options, __mf_set_default_options): Support new
1048 default "abbreviate" option.
1049 (__mf_object.description_epoch): New field.
1050 (__mf_describe_object): Conditionally abbreviate objects already
1051 displayed in current epoch. Accept NULL input to increment epoch.
1052 (__mf_fini, __mf_ini): Reset description epoch.
1053 (__mf_register, __mf_unregister, __mf_adapt_cache, __mf_init): Ensure
1054 that NULL pointer slot in lookup cache is invalidated. Register a
1055 NOACCESS region around NULL.
1056 * mf-impl.h: Corresponding changes.
1057
1058 2002-10-16 Frank Ch. Eigler <fche@redhat.com>
1059
1060 * test/fail19-frag.c, pass24-frag.c, pass-stratcliff.c: New tests.
1061 * Makefile.am: Run them. Install mf-runtime.h.
1062 * Makefile.in: Regenerated.
1063 * mf-hooks.c: Add some markers for more missing functions.
1064 * mf-runtime.c (__mf_adapt_cache): Experiment with a utilization-based
1065 statistic to tune tune cache size (mask).
1066
1067 2002-10-01 Frank Ch. Eigler <fche@redhat.com>
1068
1069 * test/pass23-frag.c: New test for bit_field_ref expressions.
1070 * Makefile.am, Makefile.in: Add new test.
1071 * mf-hooks.c (mmap, munmap): Rewrite to track individual pages.
1072 (MF_VALIDATE_EXTENT): Accept zero-size mem/str operations.
1073 * mf-runtime.c (__mf_init): Register errno global.
1074 (__mf_find_object): Removed function.
1075 (__mf_check): Rewrite logic to support accesses across some
1076 contiguous but distinctly registered objects.
1077 (__mf_remove_old_object): Tolerate cache entries that span
1078 contiguous objects.
1079
1080 2002-09-30 Frank Ch. Eigler <fche@redhat.com>
1081
1082 * test/pass21-frag.c, pass22-frag.c: New tests: alloca, bitfields.
1083 * Makefile.am, Makefile.in: Run new tests.
1084 * mf-hooks.c (alloca): Correct stack direction logic.
1085
1086 2002-09-26 Frank Ch. Eigler <fche@redhat.com>
1087
1088 * mf-impl.h (adapt_cache): New option.
1089 * mf-runtime.c (__mf_set_default_options): Set its default value.
1090 Tweak the tree_aging parameter down.
1091 (__mf_check): Maintain separate counter for cache-adaptation.
1092 (__mf_tree_analyze): New function to collect object tree stats.
1093 (__mf_adapt_cache): New function to automate cache parameters.
1094
1095 2002-09-24 Frank Ch. Eigler <fche@redhat.com>
1096
1097 * mf-heuristics.c (__init_misc, __mf_heuristic_check): Add
1098 hypothetical #if-0'd argv/envp region registration.
1099 * mf-runtime.c (__mf_init): Add kludged form of above.
1100 (*) Add "heur_argv_environ" flag, default on, to govern this.
1101 * mf-impl.h: Corresponding changes.
1102
1103 2002-09-20 Frank Ch. Eigler <fche@redhat.com>
1104
1105 * test/fail18-frag.c: New test file for NOACCESS regions.
1106 * Makefile.am (TESTS): Add new test.
1107 * Makefile.in: Regenerated.
1108
1109 * mf-heuristics.c (__mf_heuristics_check): Correct deja_vu logic.
1110 * mf-impl.h (tree_aging): Add new mudflap_option, default 1000000.
1111 (optimize_object_tree): Remove unused mudflap_option.
1112 * mf-runtime.h (__MF_TYPE_NOACCESS): New region type. Add printing
1113 support throughout. Use .._MAX_CEM for cemetary upper bound.
1114 * mf-runtime.c (__mf_init): Register __mf_* globals as NOACCESS
1115 regions.
1116 (__mf_object): Add new liveness field for use by tree aging.
1117 (__mf_check): Trigger tree aging when needed.
1118 (__mf_age_tree): New function to decay liveness field.
1119 (__mf_find_objects_rec): Use liveness field to rotate tree.
1120 (__mf_insert_new_object): Only provide backtrace for HEAP objects.
1121 (__mf_unregister): Ditto.
1122 (__mf_register): Tweak duplicate-static message.
1123 (__mf_violation: Tweak nearby-object counter printing.
1124
1125 2002-09-16 Frank Ch. Eigler <fche@redhat.com>
1126
1127 * test/pass20-frag.c: New test file.
1128 * Makefile.am (TESTS): Reorganize. Add pass20 test.
1129 * Makefile.in: Regenerated.
1130
1131 * mf-impl.h (TRACE_IN, TRACE_OUT): Remove macros. Update callers.
1132 * mf-hooks.c (BEGIN_PROTECT): Add hook tracing here.
1133 * mf-heuristic.c (__mf_heuristic_check): Track seen /proc/self/map
1134 entries to avoid repeat registration.
1135 * mf-runtime.c (__mf_object_cemetary): Don't bother bury GUESS regions.
1136 (__mf_register, __mf_unregister): Rewrite GUESS handling logic.
1137
1138 2002-09-09 Frank Ch. Eigler <fche@redhat.com>
1139
1140 * Makefile.am: Create test sources with #include, not cat>>.
1141 * Makefile.in: Regenerated.
1142 * test/buildtest.sh: Removed.
1143 * test/driver.c (abort_handler, main): Be quiet.
1144
1145 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1146
1147 * test/pass18-frag.c, pass19-frag.c: New tests.
1148 * Makefile.am (check): Run them. Rebuild test programs each time.
1149 * Makefile.in: Regenerated.
1150
1151 2002-09-06 Frank Ch. Eigler <fche@redhat.com>
1152
1153 * mf-runtime.c (__mf_register): Correct SEGV-inducing error in
1154 overlapping object search.
1155 (__mf_violation): Likewise for nearby objects.
1156 Improve nearby-object listing.
1157
1158 cleanup:
1159 * mf-runtime.c, mf-hooks.c: Remove "{{{"/"}}}" folding marks.
1160 * mf-heuristics.c (__mf_heuristic_check): Tweak message.
1161
1162 2002-09-03 Frank Ch. Eigler <fche@redhat.com>
1163
1164 alloca support:
1165 * Makefile.am (AM_CFLAGS): New definition of needed settings.
1166 (HOOKOBJS): Add alloca-hook.o.
1167 * mf-hooks.c (alloca): New function to implement alloca in libiberty
1168 style.
1169 * mf-runtime.c (__mf_report): Call alloca(0) to flush remaining blocks.
1170 (__mf_backtrace): Reimplement without using alloca.
1171 * Makefile.in: Regenerated.
1172
1173 cleanup:
1174 * mf-hooks.c: Use VERBOSE_TRACE throughout instead of fprintf(stderr).
1175 Correct signedness bugs in length-tracking variables.
1176 * mf-impl.h: Make options unsigned.
1177 (CALL_WRAP): New macro to parallel CALL_REAL().
1178 (DECLARE): Remove erroneous ";" at end.
1179 * mf-runtime.c, mf-hooks.c, mf-heuristics.c: Replace remaining %p
1180 formatting specs with %08lx. Correct several compiler warnings.
1181
1182 2002-08-28 Frank Ch. Eigler <fche@redhat.com>
1183
1184 * mf-runtime.c (__mf_violation): Try harder to locate nearby objects.
1185
1186 2002-08-27 Frank Ch. Eigler <fche@redhat.com>
1187
1188 libmudflap hook breakup:
1189 * Makefile.am (TESTS_ENVIRONMENT): Add ../../gcc to LD_LIBRARY_PATH
1190 for libgcc_s.
1191 (TESTS): Make dependent on libmudflap.
1192 (HOOKOBJS): Break up mf-hooks.o into many little hook objects,
1193 compiled from segments of mf-hooks.c.
1194 * mf-hooks.c: Corresponding changes: wrap each function in
1195 #ifdef/#endif.
1196 * Makefile.in: Regenerated.
1197
1198 Heuristics reorganization:
1199 * mf-heuristics.c (__mf_register_ro_sections, __mf_init_heuristics):
1200 Remove these functions. Update callers.
1201 (__mf_heuristic_check): Incorporate all the various heuristics.
1202 Encode cacheability/retry judgement into trinary return value.
1203 Separate start-end logic into a separate fallback heuristic. Only
1204 register relevant /proc/self/map segments.
1205 * mf-impl.h: Corresponding changes.
1206 * mf-runtime.c (__mf_check): Reorganize heuristics fallback logic.
1207 (__mf_init): Don't call __mf_init_heuristics.
1208
1209 Tracing cleanup:
1210 * mf-heuristics.c, mf-runtime.c: Use new MUDFLAP_OPTION
1211 "-verbose-trace" to emit all tracing messages other than those of
1212 basic public api. Eliminate some duplicate/excessive messages.
1213 * mf-runtime.h: Corresponding changes.
1214
1215 2002-08-27 Graydon Hoare <graydon@redhat.com>
1216
1217 * mf-impl.h (WRAPPER): Change to create linker aliases for __wrap
1218 and __real when compiled with -DPIC.
1219 * mf-hooks.c (WRAPPER): Change all uses of WRAPPER macro slightly.
1220 * Makefile.am (AUTOMAKE_OPTIONS): Fix LD_LIBRARY_PATH for tests.
1221 * Makefile.in: Regenerate.
1222
1223 2002-08-26 Graydon Hoare <graydon@redhat.com>
1224
1225 * mf-impl.h: New file, private implementation header.
1226 * mf-runtime.h: Reorganize a bit.
1227 (CLAMPSZ): Fix arithmetic.
1228 (__MF_CACHE_MISS_P): Fix arithmetic.
1229 * mf-runtime.c: Reorganize a bit.
1230 (__mf_dynamic): New structure.
1231 (resolve_single_dynamic): New function.
1232 (__mf_resolve_dynamics): New function.
1233 (__mf_init): Initialize dynamic wrappers.
1234 * mf-hooks.c: Macro-ize __real calls.
1235 Clamp various bits of arithmetic.
1236 Add explicit __mf_check call contexts.
1237 * Makefile.am: Add dependencies on mf-impl.h
1238 * Makefile.in: Regenerate.
1239 * configure.in: Comment out shared override.
1240 * configure: Regenerate.
1241
1242 2002-08-22 Graydon Hoare <graydon@redhat.com>
1243
1244 * mf-runtime.c (__mf_process_opts): Sanity-check free_queue_length.
1245 (__mf_check): Re-inialize and check heuristics before violation.
1246 (__mf_register): Permit updating pure-guess regions.
1247 * mf-hooks.c (__wrap_free): Correct some free queue logic.
1248 (__wrap_dlopen): New wrapper function.
1249 (__wrap_mmap): New wrapper function.
1250 (__wrap_munmap): New wrapper function.
1251 * mf-heuristics.c (__mf_register_ro_sections): Register *all* regions
1252 which are not stack addresses.
1253 (is_stack_address): New function.
1254 (__mf_init_heuristics): Save and restore state, always initialize with
1255 "starting" state.
1256
1257 2002-08-21 Frank Ch. Eigler <fche@redhat.com>
1258
1259 * mf-hooks.c (MF_VALIDATE_EXTENT): Rewrite to correct off-by-one
1260 error. Pass location string.
1261 (wrap_strcpy, wrap_strncpy): Remove extra %s in trace strings.
1262 * mf-runtime.c (options): Add lc-mask, lc-shift options.
1263 (__mf_process_opts): Apply some sanity checking for lc-mask.
1264 (__mf_check, __mf_violation): Take new location-string argument.
1265 Update callers to pass NULL if necessary.
1266 (__mf_backtrace): New smart backtracer function. Calls replace
1267 several ad-hoc blocks elsewhere.
1268 (__mf_describe_object): Remove bad reentrancy test. Improve
1269 tracing message.
1270 * mf-runtime.h: Corresponding changes. Public/private markup.
1271 (__MF_CACHE_MISS_P): New macro.
1272
1273 2002-08-20 Graydon Hoare <graydon@redhat.com>
1274
1275 * mf-runtime.h: New option: stack_bound (heuristic).
1276 Move some macros out of implementation files.
1277 * mf-runtime.c: New option string: -stack-bound.
1278 Unify recursion protection with hooks.
1279 Add more logging.
1280 (__mf_check): Call __mf_heuristic_check.
1281 (__mf_process_opts): Fix "no-" processing.
1282 * mf-heuristics.c (__mf_heuristic_check): New function.
1283 * mf-hooks.c: Much off-by-one fixing, recursion protection.
1284
1285 2002-08-20 Frank Ch. Eigler <fche@redhat.com>
1286
1287 Option parsing improvements, region splitting bug fixes:
1288 * mf-heuristics.c (__mf_register_ro_sections): Add warned casts.
1289 * mf-runtime.h (heur_proc_map): New libmudflap option.
1290 * mf-runtime.c (__mf_set_default_options): Set it.
1291 (__mf_usage): Print default values/status.
1292 (__mf_process_opts): Support general "no-" option string prefix.
1293 (__mf_init): Print __mf_usage on unknown-option error.
1294 (__mf_register): Print trace message up front.
1295 Correct region splitting logic for case where a subregion disappears.
1296 Correct memory leak.
1297 (__mf_violation): Make even basic message conditional on option.
1298
1299 Build cleanup:
1300 * Makefile.am (TESTS_ENVIRONMENT): Add -no-heur-proc-map.
1301 (clean-local): New target.
1302 (test/*x rules): Add -g CFLAGS.
1303 (CFLAGS): Add -freorder-blocks.
1304 (MFCONFIG_CFLAGS, INCLUDE): Remove unneeded settings.
1305 * Makefile.in: Regenerated.
1306 * Makefile, mf-config.h: Removed files.
1307
1308 2002-08-16 Graydon Hoare <graydon@redhat.com>
1309
1310 * mf-runtime.c (__mf_insert_new_object): Factor out of
1311 __mf_register.
1312 (__mf_remove_old_object): Factor out of __mf_unregister.
1313 (__mf_register): Handle guessed regions, splitting
1314 guesses when new registrations arrive.
1315 (__mf_unregister): Do not unregister guesses.
1316 * mf-runtime.h: Move convenience macros around,
1317 declare new option fields. Add __MF_TYPE_GUESS.
1318 * mf-hooks.c (__wrap_*alloc): Use crumple zones.
1319 (__wrap_free): Call __real_free for deferred frees.
1320 * Makefile.am: Add more tests, fix dependency.
1321 * Makefile.in: Regenerate.
1322 * test/pass[13..17]-frag.c: New testcases.
1323 * test/fail[13..17]-frag.c: New testcases.
1324
1325 2002-08-15 Graydon Hoare <graydon@redhat.com>
1326
1327 * mf-heuristics.c: New file.
1328 * mf-runtime.c (options): Add -trace-calls option.
1329 (__mf_init): Call __mf_init_heuristics.
1330
1331 2002-08-14 Graydon Hoare <graydon@redhat.com>
1332
1333 * Makefile.am (TESTS): Add testsuite support.
1334 * Makefile.in: Regenerate.
1335 * test/mf-driver.c: New file.
1336 * test/buildtest.sh: New file.
1337 * test/passNN-frag.c: New testcases.
1338 * test/failNN-frag.c: New testcases.
1339
1340 2002-08-14 Graydon Hoare <graydon@redhat.com>
1341
1342 * mf-hooks.c: Change __real_strlen() to __real_strlen()+1 when
1343 verifying non-size-limited string extents.
1344
1345 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1346
1347 * mf-hooks.c: Make __wrap string* functions use __real_str[n]len
1348 instead of plain str[n]len for internal checks.
1349 * mf-runtime.c (__mf_violation): Print optional stack traceback.
1350
1351 2002-08-14 Frank Ch. Eigler <fche@redhat.com>
1352
1353 * mf-hooks.c: Remove #if-0 around hooks that are now ld-wrapped.
1354
1355 2002-08-13 Graydon Hoare <graydon@redhat.com>
1356
1357 * mf-runtime.c: Rework configuration to operate on
1358 environment variable options rather than #defines
1359 (__mf_violation): Add simple fork-a-gdb violaiton mode.
1360 (__mf_init): Set static __mf_active_p flag on startup,
1361 to inhibit mudflap wrap-based checking during crt0.s.
1362 * mf-runtime.h: Declare options structure.
1363 * mf-hooks.c: New wrappings for mem*, b*, str*
1364 libc functions (temporarily #if 0-ed out).
1365
1366 2002-08-12 Frank Ch. Eigler <fche@redhat.com>
1367
1368 * Makefile.am, configure.in: New files.
1369 * Makefile.in, Makefile, configure, config.h.in: New generated files.
1370 * stamp-h.in, aclocal.m4: Ditto.
1371
1372 2002-08-08 Frank Ch. Eigler <fche@redhat.com>
1373
1374 * Makefile: New file.
1375 * mf-config.h: New file: runtime configuration.
1376 * mf-hooks.c: New file: interposed libc functions.
1377 * mf-runtime.c: New file: bulk of runtime.
1378 * mf-runtime.h: New file: public functions.